Windows Communication
A really good script for mIRC
Manage your work with GTD in Outlook
A bot for IRC-Hispano that will manage your channel
A chat for users connected to a LAN network
Add a whiteboard for drawing on Skype
Use Facebook Chat from your desktop
Connect with the world and talk to people
Maintain a real-time conference using data
A very popular communication client in Russia
The Skype messaging client created for Linux Mandriva
